Home / 69,370,993.10-95,724,246.28-38,423,412.20

Finding the Fourth Proportional to 69,370,993.10, 95,724,246.28 and 38,423,412.20

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Solution

The fourth proportional to 69,370,993.10, 95,724,246.28 and 38,423,412.20 is: 53,020,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370,993.10 : 95,724,246.28 = 38,423,412.20 : x
  2. Step 2: Convert to fraction form
    69,370,993.10/95,724,246.28 = 38,423,412.20/x
  3. Step 3: Cross multiply
    69,370,993.10x = 95,724,246.28 × 38,423,412.20
  4. Step 4: Simplify right side
    69,370,993.10x = 3,678,052,172,350,757
  5. Step 5: Solve for x
    x = 3,678,052,172,350,757/69,370,993.10
  6. Step 6: Final answer
    x = 53,020,030.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.